OS Fundamentals

What is a Real-Time Operating System (RTOS)?

• An OS that monitors embedded systems
• An OS for multitasking
• Processes data in real-time
• An OS for mobile phones

Which of the following is an example of a Real-Time Operating System?

• Windows 10
• RTLinux
• Android
• macOS

In which environment is a Real-Time Operating System typically used?

• Web browsers
• Supercomputers
• Traffic lights and pacemakers
• Mobile apps

What is the key feature of a Single-User, Single-Task Operating System?

• It supports multiple users simultaneously
• It runs multiple applications at once
• It can only be used by one person
• It is primarily used in supercomputers

Which device is known to have used a Single-User, Single-Task Operating System?

• Windows CE
• Android
• Palm devices
• UNIX

What is the main difference between a Single-User, Single-Task OS and a Single-User, Multi-Tasking OS?

• A Multi-Tasking OS runs multiple applications
• A Multi-Tasking OS allows multiple users
• A Single-Task OS runs multiple apps
• A Single-Task OS supports embedded devices

Which of the following is an example of a Single-User, Multi-Tasking Operating System?

• Palm OS
• UNIX
• Windows 10
• VxWorks

What is a Multi-User Operating System?

• An OS that runs one application at a time
• Allows multiple users to access resources
• Supports real-time processing
• Designed for mobile apps

Which of the following is an example of a Multi-User Operating System?

• Windows CE
• UNIX
• Palm OS
• Android

Where are Multi-User Operating Systems commonly used?

• Smartphones
• Traffic lights
• Supercomputers and mainframes
• Embedded systems